{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical"], "input": "In conclusion , the findings of the study indicate that TCDD induces a significant oxidative stress in liver microsomes as manifested by increased LPO , H2O2 production , protein carbonyl content and activities of UDPGT and P450 and decreased antioxidant enzymes activities and thiol content ."}
{"Chemical": ["TCDD", "H2O2", "carbonyl", "thiol"]}